Thomas "Tom" John Siem, age 71, of Rochester, died after fighting a courageous battle against cancer for the past 12 years, on Wednesday, June 13, 2018, at the Mayo Clinic Hospital - St. Marys Campus in Rochester. The memorial service will be at 2:00 pm on Wednesday June 20, 2018, at Bethel Lutheran Church in Rochester. The visitation will be from 4:00 - 7:00 pm on Tuesday, June 19, 2018, at Ranfranz and Vine Funeral Homes, and one hour prior to the service at the church. In lieu of flowers, memorials are preferred to the Eagles Cancer Telethon in Memory of Tom. Thomas John Siem was born on January 25, 1947, in Rochester, MN, to Herman and Freda (Costello) Siem. He graduated from John Marshall High School in 1965. Tom married Diane Koenig. They had two children and later divorced. On December 13, 1967, he entered into the United States Army. He served during the Vietnam War and was honorably discharged. On January 14, 1972, he married Deborah Wittlief in Rochester. They had two children. Tom worked as a business manager for the Union Local 405 and retired from LIUNA - Labors International Union of North America. Tom was a loving husband, father and grandpa and enjoyed spending time with his children and grandchildren. He took great pride in maintaining his property and would tell us it looked like a golf course - and it did. Tom had a love for the game and the MN TWINS. He really enjoyed riding ATV, the company of friends and family while golfing and the occasional casino trips with good friends. Tom had a great toy tractor collection and over the years owned some great classic cars. Most of all he was loved so very much by his family. Tom is survived by his wife, Deb of Rochester; children, Kelly Siem Penrose of Elgin, Tonya Boysen of Rochester, Tom Siem Jr. (Kari Schoenfelder) of Rochester and Gary Siem of Rochester; 11 grandchildren; 9 great-grandchildren; father-in-law, Richard Wittlief; sister-in-laws, Paula (Keith) Zincke, Leesa (Jeffrey Rehwaldt) Kobi, Carol (Al), Rahrmann, Jackie (Garry) Hubbard, Joyce Wilson; and many nieces and nephews. Tom was preceded in death by his parents; beloved sisters, Marilyn Preble, Bev Henkemeyer and Phyllis Hosking. Arrangements are with Ranfranz and Vine Funeral Homes, 5421 Royal Place NW, Rochester MN 55901. To leave a special memory please visit www.ranfranzandvinefh.com